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| author | Riana Tauro <riana.tauro@intel.com> | 2026-07-13 13:18:00 +0530 |
|---|---|---|
| committer | Riana Tauro <riana.tauro@intel.com> | 2026-07-15 10:56:21 +0530 |
| commit | acc744fa62fb098358f371bfb38e6b32032459c7 (patch) | |
| tree | be7ff0087e22548b430ba65cd90ac16e6a8b68b3 /drivers/gpu | |
| parent | d9732e498f5fc1a7e0e3bb287d631c84815a17f7 (diff) | |
| download | linux-next-acc744fa62fb098358f371bfb38e6b32032459c7.tar.gz linux-next-acc744fa62fb098358f371bfb38e6b32032459c7.zip | |
drm/xe/xe_pci_error: Process errors in mmio_enabled
Query system controller when any non fatal error occurs to check
the type of the error, contain and recover.
The system controller is queried in the mmio_enabled callback.
Reviewed-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Mallesh Koujalagi <mallesh.koujalagi@intel.com>
Link: https://patch.msgid.link/20260713074755.1278607-10-riana.tauro@intel.com
Signed-off-by: Riana Tauro <riana.tauro@intel.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_pci_error.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/gpu/drm/xe/xe_pci_error.c b/drivers/gpu/drm/xe/xe_pci_error.c index 9b78cc0d3293..e41af2ac7f23 100644 --- a/drivers/gpu/drm/xe/xe_pci_error.c +++ b/drivers/gpu/drm/xe/xe_pci_error.c @@ -10,6 +10,7 @@ #include "xe_pci.h" #include "xe_pm.h" #include "xe_printk.h" +#include "xe_ras.h" #include "xe_survivability_mode.h" static void prepare_device_for_reset(struct pci_dev *pdev) @@ -34,6 +35,21 @@ static void prepare_device_for_reset(struct pci_dev *pdev) pci_disable_device(pdev); } +static pci_ers_result_t ras_action_to_pci_result(struct pci_dev *pdev, u8 action) +{ + switch (action) { + case XE_RAS_RECOVERY_ACTION_RECOVERED: + return PCI_ERS_RESULT_RECOVERED; + case XE_RAS_RECOVERY_ACTION_RESET: + prepare_device_for_reset(pdev); + return PCI_ERS_RESULT_NEED_RESET; + case XE_RAS_RECOVERY_ACTION_DISCONNECT: + return PCI_ERS_RESULT_DISCONNECT; + default: + return PCI_ERS_RESULT_DISCONNECT; + } +} + static pci_ers_result_t xe_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) { struct xe_device *xe = pdev_to_xe_device(pdev); @@ -62,11 +78,12 @@ static pci_ers_result_t xe_pci_error_detected(struct pci_dev *pdev, pci_channel_ static pci_ers_result_t xe_pci_error_mmio_enabled(struct pci_dev *pdev) { struct xe_device *xe = pdev_to_xe_device(pdev); + enum xe_ras_recovery_action action; xe_info(xe, "PCI error: MMIO enabled\n"); + action = xe_ras_process_errors(xe); - /* TODO: Query system controller for the type of error and take appropriate action */ - return PCI_ERS_RESULT_RECOVERED; + return ras_action_to_pci_result(pdev, action); } static pci_ers_result_t xe_pci_error_slot_reset(struct pci_dev *pdev) |